Fine, dry particles of matter found in the air and covering the surface of objects, typically consisting of soil lifted up by the wind, pollen, hair, etc., as well as submicron particles in outer space that contribute greatly to extinction at visible wavelengths.

(countable) The act of cleaning by dusting.

The earth, as the resting place of the dead.

The earthy remains of bodies once alive; the remains of the human body.

(figurative) Something worthless.

(figurative) A low or mean condition.

(slang, dated) cash; money (in reference to gold dust).

(colloquial) A disturbance or uproar.

(mathematics) A totally disconnected set of points with a fractal structure.

(cryptocurrencies) Tiny amounts of cryptocurrency left over after a transaction due to rounding error.

(transitive) To remove dust from.

(intransitive) To remove dust; to clean by removing dust.

(intransitive) Of a bird, to cover itself in sand or dry, dusty earth.

(transitive) To spray or cover something with fine powder or liquid.

(chiefly US slang) To leave; to rush off.

To reduce to a fine powder; to levigate.

(slang) To kill.

(cryptocurrencies) To attempt to identify the owner of (a cryptocurrency wallet) by sending tiny amounts of cryptocurrency.